A. 67
B. 69
C. 57
D. 20
🧠 Explanation:
Given: 4, 9, 13, 22, 35, ?
Step 1: Differences: 5, 4, 9, 13
Step 2: Next difference = 9 + 13 = 22 (pattern of adding previous two)
Step 3: Next term = 35 + 22 = 57
Check: New differences 5, 4, 9, 13, 22 follow the rule
Final Answer: 57
